Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

v3.10.0.1
Significant Accounting Policies (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Accounting Policies [Abstract]    
Deferred initial public offering costs $ 3.6 $ 0.0